The length of an array is the number of elements. sizeof(void)==1 and
sizeof(int)==4. The first example reinterprets the ptr and length pair
of the void[] as a ptr and length pair of an int[]. The second example
adjusts the length so that the resulting array corresponds to the same
memory region.

The length of an array is the number of elements. sizeof(void)==1 and
sizeof(int)==4. The first example reinterprets the ptr and length pair
of the void[] as a ptr and length pair of an int[]. The second example
adjusts the length so that the resulting array corresponds to the same
memory region.